sisouk6 years ago+110Why does it say "CH" in the title of the article? Does this mean that it is a Swiss version of the product? Can it be used in France?Show in original language (French)Jayjaxx6 years ago000It is also a question of the cylinder, in Switzerland they are most often round. You can check on their website to see if your door is compatible. https://nuki.io/fr...Show in original language (French)CommentAnonymous6 years ago000in my opinion, it is that the socket is Swiss :) not moreShow in original language (French)Comment